9v battery made into a hot wire foam cutting tool - video - Everything Else - Glowforge Owners Forum

This looks like a cool little thing to make if you ever need to cut up some foam. As is so often the case, I saw this video on some POS freebooting Facebook page first, but this appears to be the original. “Do all appropriate safety things” (how’s that for a disclaimer?)

Hot Wire Foam Cutter, using car battery

Home-made Freeform Hot Wire Cutter

MINOVA 4 in 1 Cordless Hot Wire Foam Cutter 8V/2.0 Ah Built-in Battery Powered USB-C Charging Styrofoam Cutter Kit Luxury Foam Cutting Tool Foam Carving Tools : Arts, Crafts & Sewing

Basic Circuitry with Glowforge - Glowforge EDU

Basic Circuitry with Glowforge - Glowforge EDU

How to make a Foam Cutter at Home - DIY Styrofoam Cutter

CRAZY 9 Volt Battery Hack

Basic Circuitry with Glowforge - Glowforge EDU

Can you make a styrofoam cutter with a 9 volt battery and nichrome wire? - Quora

I installed a Larger battery

Basic Circuitry with Glowforge - Glowforge EDU

Mad Hacks – Make: Volume 46 - Make: DIY Projects and Ideas for Makers

Cutting Foam Wings with a Hot Wire Powered by a Battery Charger

Can you make a styrofoam cutter with a 9 volt battery and nichrome wire? - Quora

DIY Hot Wire Foam Cutter (No Soldering) : 4 Steps - Instructables